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Home Suspected Osteomyelitis, Septic Arthritis, or Soft Tissue Infection (Excluding Spine and Diabetic Foot)
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Soft tissue infection suspected, ankle, implanted extra articular surgical hardware, radiography findings suggest osteomyelitis, next imaging study 3195595
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
3-phase bone scan and WBC scan ankle
10-30 mSv
☢☢☢☢
May be appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
WBC scan and sulfur colloid scan ankle
10-30 mSv
☢☢☢☢
May be appropriate
WBC scan ankle
10-30 mSv
☢☢☢☢
May be appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
Usually not appropriate
3-phase bone scan and WBC scan and sulfur colloid scan ankle
10-30 mSv
☢☢☢☢
Usually not appropriate